X0306 4 2013-01-03 0 0000792977 AMAG PHARMACEUTICALS INC. AMAG 0001242616 THOMAS FRANK E 100 HAYDEN AVENUE LEXINGTON MA 02421 0 1 0 0 EVP, COO Common Stock 2013-01-03 4 M 0 20000 A 32000 D Common Stock 2013-01-03 4 S 0 10000 15.5969 D 22000 D Restricted Stock Units 2013-01-03 4 M 0 20000 A Common Stock 20000 20000 D The shares were acquired by the reporting person as a result of the partial vesting of the restricted stock unit grant described below. Not applicable. The sale reported on this Form 4 was effected pursuant to a 10b5-1 trading plan adopted by the reporting person. The shares sold on this date were sold in multiple transactions. The price reflected is the weighted average sales price per share of all shares sold on this date. The actual sales prices per share range from $15.41-$15.86. Upon request by the Securities and Exchange Commission, AMAG Pharmaceuticals, Inc. (the "Issuer"), or any security holder of the Issuer, the reporting person will provide full information regarding the number of shares sold at each price. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer. Grant of restricted stock unit pursuant to the Issuer's Second Amended and Restated 2007 Equity Incentive Plan. This grant vests in three installments. The first installment of 20,000 restricted stock units vested on January 3, 2013. The remaining two installments of 10,000 restricted stock units each will vest on January 3, 2014 and January 3, 2015, respectively. Nancy R. Smith, attorney-in-fact 2013-01-04